gcc/testsuite/gcc.target/i386/avx-vtestps-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx -DNEED_IEEE754_FLOAT" } */
   4 /* { dg-warning "attribute ignored" "" { target default_packed } 150 } */
   5 /* { dg-message " from " "include chain" { target default_packed } 0 } */
   6
   7 #include "avx-check.h"
   8
   9 static void
  10 avx_test ()
  11 {
  12     int i;
  13     union256 source1, source2;
  14
  15     float s1[8] = {0, -5463, 86456, 0, 1234, 0, 62445, 34352};
  16     float s2[8] = {0, -1223, 0,     0, 0,    1, 0,     0};
  17     int   d[1];
  18     int   e[1];
  19
  20     source1.x = _mm256_loadu_ps(s1);
  21     source2.x = _mm256_loadu_ps(s2);
  22     d[0] = _mm256_testz_ps(source1.x, source2.x);
  23
  24     e[0] = 1;
  25     for (i = 0; i < 8; i++) {
  26         union ieee754_float u1, u2;
  27         u1.d = s1[i];
  28         u2.d = s2[i];
  29         if (u1.bits.sign && u2.bits.sign)
  30             e[0] = 0;
  31     }
  32
  33     if (checkVi (d, e, 1))
  34       abort ();
  35 }
  36